Which model leads VIBE-Backend?

Q: Which model leads VIBE-Backend?

Claude Opus 4.5 tops the board at 98

VIBE-Backend Leaderboard — Model Scores

Pro Mode — raw scores, one benchmark under the lensthird-party eval harness

The field · 5 measured

67.898

5 models measured, most on the third-party eval harness. Claude Opus 4.5 tops the board at 98.

5 measured·Lifecycle Updated Oct 8, 2026Score basis

#◆Vendor$/M in$/M out

Leader — ignites whiteField — fill cools with scoreIndependently verified only0 of 5Bars show 67.8–98 · ◆ solid = first-party or better · outlined = arm's-length

01Claude Opus 4.5Anthropic98$5.0/M$25.0/M$0.153

02Claude Sonnet 4.5Anthropic90.8$3.0/M$15.0/M$0.099

03MiniMax M2.1+1 altMiniMax86.7VENDOR$0.30/M$1.2/M$0.009

04Gemini 3 ProGoogle78.7$2.0/M$12.0/M$0.089

05MiniMax M2MiniMax67.8$0.30/M$1.2/M$0.011

◆ solid = independently verified · aggregator attested · vendor attributed — outlined = cross-reference · source-attributed. Dimmed ◆ = confidence inferred. “+N alts” = alternate disclosures in the drawer with why-demoted. Prices per million tokens; $/point = input price ÷ score. Every row opens its model dossier.

Verification: 5 models scored · 0 independently verified · 3 vendor cross-reference · 2 vendor-reported · 0 with source disagreement. How these tiers are assigned